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    Insulated wire, coil, and electric/electronic equipments as well as method of producing a film delamination-resistant insulated wire
    1.
    发明授权
    Insulated wire, coil, and electric/electronic equipments as well as method of producing a film delamination-resistant insulated wire 有权
    绝缘线，线圈和电气/电子设备以及生产薄膜防分离绝缘线的方法

    公开(公告)号：US09536636B2

    公开(公告)日：2017-01-03

    申请号：US15192195

    申请日：2016-06-24

    Applicant: FURUKAWA ELECTRIC CO., LTD. ,  FURUKAWA MAGNET WIRE CO., LTD.

    Inventor： Keisuke Ikeda ,  Makoto Oya ,  Hideo Fukuda ,  Keiichi Tomizawa

    IPC: H01B3/30 ,  H01B13/06 ,  H01F27/32 ,  H01B3/42

    CPC classification number: H01B3/306 ,  H01B3/307 ,  H01B3/308 ,  H01B3/421 ,  H01B3/427 ,  H01B13/065 ,  H01F27/2823 ,  H01F27/32

    Abstract: An insulated wire including a laminated resin-coated insulated wire containing: a thermosetting resin layer (A) directly or via an insulating layer (D) on a conductor having a rectangular cross-section; and at least a thermoplastic resin layer (B) on the outer periphery of the thermosetting resin layer (A), in which the cross-sectional shape of the thermosetting resin layer (A) composed of two pairs of two sides facing each other, and has at least four convex portions each of which has a film thickness in maximum, at least one convex portion of the at least four convex portions is on each of the four sides, or at least two convex portions of the at least four convex portions are at least on each of the two sides facing each other, and in the each side having the convex portion, provided that a minimum film thickness is designated as “a” pm, and an average of maximum film thicknesses of the convex portions is designated as “b” pm, the a/b ratio is 0.60 or more and 0.90 or less; a coil, and electric/electronic equipment.

    Abstract translation: 1.一种绝缘电线，其特征在于，包括层叠树脂被覆绝缘电线，其特征在于，在直线状的导体上直接或经由绝缘层（D）具有热固性树脂层（A） 和至少一个热固性树脂层（A）的外周上的热塑性树脂层（B），其中由两对面对的热固性树脂层（A）的横截面形状和 具有至少四个凸部，每个凸部具有最大的膜厚度，至少四个凸部的至少一个凸部在四个侧面中的每一个上，或者至少四个凸部的至少两个凸部为 至少在彼此面对的两个面中，并且在具有凸部的每一侧中，只要最小膜厚被指定为“a”pm，并且凸部的最大膜厚的平均值被指定为 “b”pm，a / b比为0.60以上且0.90以下; 线圈和电气/电子设备。

    Insulated wire, coil and electrical or electronic equipment
    4.
    发明授权
    Insulated wire, coil and electrical or electronic equipment 有权

    公开(公告)号：US10566109B2

    公开(公告)日：2020-02-18

    申请号：US16132872

    申请日：2018-09-17

    Applicant: FURUKAWA ELECTRIC CO., LTD. ,  FURUKAWA MAGNET WIRE CO., LTD.

    Inventor： Daisuke Muto ,  Makoto Oya ,  Keiichi Tomizawa ,  Hideo Fukuda ,  Tsuneo Aoi

    IPC: H01B7/00 ,  H01B7/02 ,  H01F5/06 ,  H02K3/30 ,  H01B3/30 ,  H01B3/42 ,  H01B13/06 ,  H01B13/14 ,  H01F27/28

    Abstract: An insulated wire, containing: a conductor having a rectangular cross-section; and an insulating coated film having at least two insulating layers laminated together on the conductor, wherein the laminated insulating coated film is composed of: an enamel insulating layer formed from a thermosetting resin on the outer periphery of the conductor, and an extruded insulating layer formed from a thermoplastic resin on the outer side of the enamel insulating layer, wherein the thickness of the enamel insulating layer is 50 μm or more, and wherein the total thickness (T) and the relative permittivity (ε) at 100° C. of the laminated insulating coated film; and the maximum thickness (Tmax), and the maximum value (εmax) and the minimum value (εmin) of the relative permittivity at 100° C. of one layer among the laminated insulating layers; satisfy all of the following relations: T≥100 μm  (1.1) Tmax≤100 μm  (1.2) 1.5≤ε≤3.5  (2.1) 1.0≤εmax/εmin≤1.2  (2.2) a coil; and an electrical or electronic equipment.

    Insulated wire excellent in bending resistance, as well as coil and electric or electronic equipment using the same
    5.
    发明授权
    Insulated wire excellent in bending resistance, as well as coil and electric or electronic equipment using the same 有权

    公开(公告)号：US10483013B2

    公开(公告)日：2019-11-19

    申请号：US15632026

    申请日：2017-06-23

    Applicant: FURUKAWA ELECTRIC CO., LTD. ,  FURUKAWA MAGNET WIRE CO., LTD.

    Inventor： Makoto Oya ,  Tsuneo Aoi

    IPC: H01B7/02 ,  H01F5/06 ,  H01B7/00 ,  H02K3/30 ,  H01B3/42 ,  H01B3/30

    Abstract: An insulated wire having an insulating coat layer on the conductor outer peripheral surface having a rectangular cross-sectional shape and also having a long side, a short side, and a corner portion with a curvature radius Rc, wherein a thickness t1 of the insulating coat layer covered on the surface, and which layer includes a long side, a thickness t2 of the insulating coat layer covered on the surface, and which layer includes a short side, and a corner portion thickness t3 of the insulating coat layer satisfy formula (1): t3/{(t1+t2)/2}≥1.2  Formula (1) wherein the t1 and t2 are each independently from 20 μm to 50 μm, and wherein a ratio of the conductor cross-sectional area Sc to the insulated wire cross-sectional area Sw satisfies formula (2) 1.0>Sc/Sw≥0.8;  Formula (2) as well as a coil and an electric or electronic equipment using the same.

    Insulated wire, coil, and electric or electronic equipment
    7.
    发明授权
    Insulated wire, coil, and electric or electronic equipment 有权

    公开(公告)号：US10366809B2

    公开(公告)日：2019-07-30

    申请号：US16250501

    申请日：2019-01-17

    Applicant: FURUKAWA ELECTRIC CO., LTD. ,  FURUKAWA MAGNET WIRE CO., LTD.

    Inventor： Hideo Fukuda ,  Isao Tomomatsu ,  Makoto Oya ,  Daisuke Muto

    IPC: H01B7/02 ,  H01B3/30 ,  H01F41/12 ,  H01B13/14 ,  H01B3/44 ,  H01F5/06

    Abstract: An insulated wire having a thermosetting resin layer on the outer periphery of a conductor and a thermoplastic resin layer on the outer periphery of the thermosetting resin layer, wherein a total thickness of the thermosetting resin layer and the thermoplastic resin layer is 100 μm or more and 250 μm or less, and a degree of orientation of a thermoplastic resin in said thermoplastic resin layer, that is calculated by the following Formula 1, is 20% or more and 90% or less; a coil and an electric and electronic equipment each having the insulated wire.Formula 1 Degree of orientation H (%)=[(360−ΣWn)/360]×100Wn: A half width of orientation peak in the azimuth angle intensity distribution curve by X-ray diffractionn: the number of orientation peak at a β angle of 0° or more and 360° or less.

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